Re: [Xen-users] Xentop CPU usage

[Wouter de Geus <benv-xensource.com@xxxxxxxxxxxxx>]

* Stefan Parvu <sparvu@xxxxxxxxxxxxxxxxxxxxxx> [2014-04-30 15:47:43 +0300]:

> So basically you are saying that your task manager from domU shows
> things are idle, but like what 1-5% ? And on the other hand xentop from
> dom0 shows a much bigger consumption, like 150-200%. Correct ?

Yes, that's correct.

> Measuring from dom0 should be more accurate than domU, no mistake about
> that. However it seems your domU is using 2 VPUs, probable more or less
> which you cant see in domU. 

The domU has 8 VPUs pinned to it at the moment, which also show up in the task 
manager etc.

> Try to record data from domU and dom0 as time series and compare them in
> long run. xentop is a nice tool but things could be improved:
> documentation, time series collection, etc. I put together a wrapper for
> it, called xenrec using Perl5. Works on Linux.

I'll check it out, thanks for the hints :)

Wouter.

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